Dhcp Snooping Configure - ZyXEL Communications VES1724-56 User Manual

Table 112 DHCP Snooping (continued)
LABEL
Failed writes
Database detail
First successful
access
Last ignored bindings
counters
Binding collisions
Invalid interfaces
Parse failures
Expired leases
Unsupported vlans
Last ignored time
Total ignored bindings
counters
Binding collisions
Invalid interfaces
Parse failures
Expired leases
Unsupported vlans

26.5 DHCP Snooping Configure

Use this screen to enable DHCP snooping on the Switch (not on specific VLAN), specify the VLAN
where the default DHCP server is located, and configure the DHCP snooping database. The DHCP
snooping database stores the current bindings on a secure, external TFTP server so that they are
VES1724-56 User's Guide
DESCRIPTION
This field displays the number of times the Switch was unable to update the
bindings in the DHCP snooping database.
This field displays the first time the Switch accessed the DHCP snooping database
for any reason.
This section displays the number of times and the reasons the Switch ignored
bindings the last time it read bindings from the DHCP binding database. You can
clear these counters by restarting the Switch or using CLI commands. See the CLI
Reference Guide.
This field displays the number of bindings the Switch ignored because the Switch
already had a binding with the same MAC address and VLAN ID.
This field displays the number of bindings the Switch ignored because the port
number was a trusted interface or does not exist anymore.
This field displays the number of bindings the Switch ignored because the Switch
was unable to understand the binding in the DHCP binding database.
This field displays the number of bindings the Switch ignored because the lease
time had already expired.
This field displays the number of bindings the Switch ignored because the VLAN ID
does not exist anymore.
This field displays the last time the Switch ignored any bindings for any reason from
the DHCP binding database.
This section displays the reasons the Switch has ignored bindings any time it read
bindings from the DHCP binding database. You can clear these counters by
restarting the Switch or using CLI commands. See the CLI Reference Guide.
This field displays the number of bindings the Switch has ignored because the
Switch already had a binding with the same MAC address and VLAN ID.
This field displays the number of bindings the Switch has ignored because the port
number was a trusted interface or does not exist anymore.
This field displays the number of bindings the Switch has ignored because the
Switch was unable to understand the binding in the DHCP binding database.
This field displays the number of bindings the Switch has ignored because the lease
time had already expired.
This field displays the number of bindings the Switch has ignored because the VLAN
ID does not exist anymore.
Chapter 26 IP Source Guard
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